This paperclip necklace measures 30" in length.  

Paperclips are 9/16" x 1/4"

Extra Large Heart: 1 3/4" x 1 3/4" 

The ring opens so you can remove or add charms.  

There is no clasp so you can wear the ring in the back with no charms.  Or you can wrap the necklace around so it looks like 2 shorter necklaces.